Katy Perry is set to join Foo Fighters, Led Zepplin's Robert Plant and Imagine Dragon and play the KAABOO festival in San Diego. 

Guns N Roses guitarist Slash will be joined by Myles Kennedy and The Conspirators, and Robert Plant will go onstage with The Sensational Space Shifters.

The fourth KAABOO festival takes place over three days between September 14-16.

All decades of music are covered with The 70s, 80s, 90s represented by Earth, Wind & Fire, Blondie, Billy Idol and TLC.